IBC AHU Series, Installation & Operating Manual

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2.6.1 Wiring of the external pump and 120VAC line
You will need to use a 3 mm flat-bladed screwdriver to wire the external pump and the 120VAC line.
Insert a wire into the connector (at the front of the block). Inserting a screwdriver into the connector
releases the wire.
Figure 34 : Inserting a wire for an external pump and
120VAC line
Figure 35 : Removing a wire
2.6.2 Connecting line voltage - examples for different scenarios
This section provides diagrams for wiring a 120 VAC / 15 amp supply, external Pump – maximum 4
Amps 120 Volts, thermostat connections – Standard TH or OpenTherm (communications thermostat
protocol), external pump control, boiler connection for a call for heat, and connection to an AC or HP
appliance (air handling appliance side only).
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2.6.1 Wiring of the external pump and 120VAC line